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首页> 外文期刊>Archives of Foundry Engineering >Study on Friction and Wear Characteristics of Aluminum Alloy Hydraulic Valve Body and Its Antiwear Mechanism
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Study on Friction and Wear Characteristics of Aluminum Alloy Hydraulic Valve Body and Its Antiwear Mechanism

机译：铝合金液压阀体的摩擦磨损特性及其抗磨机理的研究

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摘要

In order for the working status of the aluminum alloyed hydraulic valve body to be controlled in actual conditions, a new friction and wear design device was designed for the cast iron and aluminum alloyed valve bodies comparison under the same conditions. The results displayed that: (1) The oil leakage of the aluminum alloyed hydraulic valve body was higher than the corresponding oil leakage of the iron body during the initial running stage. Besides during a later running stage, the oil leakage of the aluminum alloyed body was lower than corresponding oil leakage of the iron body; (2) The actual oil leakage of different materials consisted of two parts: the foundation leakage that was the leakage of the valve without wear and wear leakage that was caused by the worn valve body; (3) The aluminum alloyed valve could rely on the dust filling furrow and melting mechanism that led the body surface to retain dynamic balance, resulting in the valve leakage preservation at a low level. The aluminum alloy modified valve body can meet the requirements of hydraulic leakage under pressure, possibly constituting this alloy suitable for hydraulic valve body manufacturing.
机译：为了在实际条件下控制铝合金液压阀体的工作状态，设计了一种新的摩擦磨损设计装置，用于在相同条件下对铸铁和铝合金阀体进行比较。结果表明：（1）铝合金液压阀体在初始运行阶段的漏油量大于相应的铁体的漏油量。除了在随后的运行阶段外，铝合金体的漏油率低于铁体的相应漏油率; （2）不同材料的实际漏油量由两部分组成：基础泄漏是指无磨损的阀门泄漏，是由于阀体磨损造成的磨损。 （3）铝合金阀可能依靠粉尘的充填沟和熔化机制使阀体表面保持动态平衡，从而使阀的泄漏保持较低水平。铝合金改型阀体可以满足在压力下液压泄漏的要求，可能构成适合于液压阀体制造的这种合金。

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